﻿<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>头部</title>
    <style type="text/css">
        body, html, * { margin:0; padding:0; background:#669999;}
    </style>
</head>
<body>
    <div style="width:100%; height:80px; background-color:#336699; "></div>
</body>
</html>
